I used to be Firmly Convinced that breasts were actually called 'Roses'. My mum spent ages trying to tell me it wasn't, but I still held onto my belief.
To tell the truth, it always used to annoy me that the word 'roses' had two different meanings.
A childhood belief about rude bits

others believed things like this
- i used to believe Gunsn Roses' vocals were from an old lady!!!! — Vivika
- My schoolmate Nick used to think that girl's farts smelt of roses.— Nathan
- I spent ages wondering what a bart ender was as a child without realising that it was actually bar tender.— Heather
- My great-grandfather firmly believed, and had me convinced, that SPAM was mouse meat. — texasblue
- I used to believe that womens breasts was actually called apples.— Cailynn
- In first grade, I thought that if I've never heard of a word before, then it wasn't a word.— Destiny